package org.sigmah.server.handler;
/*
* #%L
* Sigmah
* %%
* Copyright (C) 2010 - 2016 URD
* %%
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public
* License along with this program. If not, see
* <http://www.gnu.org/licenses/gpl-3.0.html>.
* #L%
*/
import com.google.inject.persist.Transactional;
import java.util.ArrayList;
import java.util.List;
import org.sigmah.server.dispatch.impl.UserDispatch.UserExecutionContext;
import org.sigmah.server.domain.Indicator;
import org.sigmah.server.handler.base.AbstractCommandHandler;
import org.sigmah.shared.command.GetIndicatorDataSources;
import org.sigmah.shared.command.result.ListResult;
import org.sigmah.shared.dispatch.CommandException;
import org.sigmah.shared.dto.IndicatorDataSourceDTO;
/**
* Handler for {@link GetIndicatorDataSources} command
*
* @author Alexander Bertram (akbertram@gmail.com)
* @author Maxime Lombard (mlombard@ideia.fr)
*/
public class GetIndicatorDataSourcesHandler extends AbstractCommandHandler<GetIndicatorDataSources, ListResult<IndicatorDataSourceDTO>> {
/**
* {@inheritDoc}
*/
@Override
public ListResult<IndicatorDataSourceDTO> execute(final GetIndicatorDataSources cmd, final UserExecutionContext context) throws CommandException {
// TODO: verify authorization
List<IndicatorDataSourceDTO> list = new ArrayList<IndicatorDataSourceDTO>();
findIndicatorDataSources(cmd, list);
return new ListResult<IndicatorDataSourceDTO>(list);
}
@Transactional
protected void findIndicatorDataSources(final GetIndicatorDataSources cmd, List<IndicatorDataSourceDTO> list) {
final Indicator indicator = em().find(Indicator.class, cmd.getIndicatorId());
if (indicator.getDataSources() != null) {
list.addAll(mapper().mapCollection(indicator.getDataSources(), IndicatorDataSourceDTO.class));
}
}
}